{"id":120,"date":"2021-05-11T21:05:14","date_gmt":"2021-05-12T01:05:14","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/autodeskinventor\/?post_type=chapter&p=120"},"modified":"2021-07-12T17:17:29","modified_gmt":"2021-07-12T21:17:29","slug":"extruding-part-2","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/autodeskinventor\/chapter\/extruding-part-2\/","title":{"raw":"Module 7 Extruding - Part 2","rendered":"Module 7 Extruding – Part 2"},"content":{"raw":"
\r\n

Learning Outcomes<\/p>\r\n\r\n<\/header>\r\n

\r\n\r\nWhen you have completed this module, you will be able to:\r\n
    \r\n \t
  1. Describe how to construct a solid model using multiple sketches, linear dimensions, plus joining and cutting extrusions.<\/li>\r\n \t
  2. Describe and apply the 2DSKETCH command to create 2D sketches on a solid model. Extrude the sketches to either join them to or cut them from the solid model.<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n

    Point to Point Linear Dimensions<\/h1>\r\nA point to point linear <\/em><\/span>dimension is a dimension measuring the delta X or the delta Y distance between two points of an existing object or objects. The points, which are normally the endpoints of a line, could also be centre points of circles or arcs as you will see in future modules. If the points both lie on the same X or Y axis, the dimension can only inserted in one direction. If the points do not lie on the same axis, you have the choice of inserting either the delta X or the delta Y dimension. See Figure 7-1. The three steps used to insert a point to point linear dimension are shown below.\r\n\r\n[caption id=\"attachment_647\" align=\"aligncenter\" width=\"273\"]\"\" Figure 7-1
    Linear Dimensions Applied To an Inclined Line[\/caption]\r\n\r\n[caption id=\"attachment_648\" align=\"aligncenter\" width=\"204\"]\"\" Step 1[\/caption]\r\n\r\n[caption id=\"attachment_649\" align=\"aligncenter\" width=\"205\"]\"\" Step 2[\/caption]\r\n\r\n[caption id=\"attachment_650\" align=\"aligncenter\" width=\"250\" class=\"page-break-after\"]\"\" Step 3[\/caption]\r\n\r\n
    \r\n

    Inventor Command: 2D SKETCH<\/p>\r\n\r\n<\/header>\r\n

    \r\n\r\nThe 2D SKETCH command is used to create a 2D sketch on a sketching plane or onto an existing 3D solid model.\r\n\r\nShortcut: S<\/strong>\r\n\r\n\"\"\r\n\r\n<\/div>\r\n<\/div>\r\n

    WORK ALONG: Constructing a Solid Model Using Multiple Sketches<\/h1>\r\n

    Step 1<\/h2>\r\nCheck the default project and if necessary, set it to Inventor Course.\r\n

    Step 2<\/h2>\r\nEnter the NEW command to start a new part file using the template: Metric-Modules Part (mm).ipt<\/span>.\r\n

    Step 3<\/h2>\r\nSave the file with the name: Inventor Workalong 07-1<\/span>. (Figure Step 3A and 3B)\r\n\r\n[caption id=\"attachment_653\" align=\"aligncenter\" width=\"400\"]\"\" Figure Step 3A
    Solid Model - Home View[\/caption]\r\n\r\n
    AUTHOR'S COMMENTS: <\/strong>Two views of the model that you will be constructing in this workalong are shown below. Note the location of X0Y0Z0.<\/div>\r\n\r\n[caption id=\"attachment_654\" align=\"aligncenter\" width=\"400\"]\"\"
    Figure Step 3B
    Solid Model - Rotated View[\/caption]\r\n

    Step 4<\/h2>\r\nEdit Sketch 1 and enter the PROJECT GEOMETRY command and project the Center Point onto the sketching plane. Press Esc to exit the command. (Figure Step 4)\r\n\r\n[caption id=\"attachment_652\" align=\"aligncenter\" width=\"220\"]\"\" Figure Step 4[\/caption]\r\n

    Step 5<\/h2>\r\nDraw the Top view of the model starting at X0Y0Z0. This is the Base sketch. (Figure Step 5)\r\n\r\n[caption id=\"attachment_655\" align=\"aligncenter\" width=\"449\"]\"\" Figure Step 5[\/caption]\r\n\r\n
    AUTHOR'S COMMENTS: <\/strong>Since the most contoured shape of the model is the Top view, this is the view the should be drawn first.\r\n<\/strong><\/div>\r\n

    Step 6<\/h2>\r\nAdd 4 driving dimensions to fully constrain the sketch. Add 2 driven dimensions.\r\n

    Step 7<\/h2>\r\nPress F8 to display the constraints. (Figure Step 7)\r\n\r\n[caption id=\"attachment_656\" align=\"aligncenter\" width=\"500\"]\"\" Figure Step 7[\/caption]\r\n

    Step 8<\/h2>\r\nThe sketch should now be fully constrained and all the lines display purple on a black background. (Figure Step 8)\r\n\r\n[caption id=\"attachment_657\" align=\"aligncenter\" width=\"193\"]\"\" Figure Step 8[\/caption]\r\n

    Step 9<\/h2>\r\nPress F6 to change the view to the Home view. Click the FINISH SKETCH command to return to Model mode. (Figure Step 9)\r\n\r\n[caption id=\"attachment_658\" align=\"aligncenter\" width=\"359\"]\"\" Figure Step 9[\/caption]\r\n

    Step 10<\/h2>\r\nEnter E to execute the EXTRUDE command and extrude the model 100 mm in the positive Z direction. (Figure Step 10)\r\n\r\n[caption id=\"attachment_659\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Figure Step 10 [Click to see image full size][\/caption]\r\n

    Step 11<\/h2>\r\nThe solid model should appear as shown in the figure. (Figure Step 11)\r\n\r\n[caption id=\"attachment_660\" align=\"aligncenter\" width=\"155\"]\"\" Figure Step 11[\/caption]\r\n

    Step 12<\/h2>\r\nClick the 2D SKETCH icon and when prompted, select the right side plane as shown in the figure. Exit the command and the grid will display on the plane in Sketch mode. Press F6 to change to the Home view. (Figure Step 12A, 12B, and 12C)\r\n\r\n[caption id=\"attachment_662\" align=\"aligncenter\" width=\"300\"]\"\" Figure Step 12A[\/caption]\r\n\r\n[caption id=\"attachment_663\" align=\"aligncenter\" width=\"264\"]\"\" Figure Step 12B[\/caption]\r\n\r\n[caption id=\"attachment_664\" align=\"aligncenter\" width=\"300\"]\"\" Figure Step 12C[\/caption]\r\n

    Step 13<\/h2>\r\nEnter L for the LINE command and start the first endpoint of the line by snapping onto the plane edge line. (Figure Step 13)\r\n\r\n[caption id=\"attachment_665\" align=\"aligncenter\" width=\"248\"]\"\" Figure Step 13[\/caption]\r\n\r\n
    AUTHOR'S COMMENTS: <\/strong>The exact location on the line is not important. Guess at a location about 25 millimeters from the top. It MUST, however, be snapped onto the edge.\r\n<\/strong><\/div>\r\n

    Step 14<\/h2>\r\nDraw three lines, applying perpendicular geometrical constraints and snapping back onto the edge. Guess at the length of the lines making them approximately the correct length. (Figure Step 14)\r\n\r\n[caption id=\"attachment_666\" align=\"aligncenter\" width=\"300\"]\"\" Figure Step 14[\/caption]\r\n

    Step 15<\/h2>\r\nPress F8 to display the constraint icons. (Figure Step 15)\r\n\r\n[caption id=\"attachment_667\" align=\"aligncenter\" width=\"300\"]\"\" Figure Step 15[\/caption]\r\n\r\n
    AUTHOR'S COMMENTS:<\/strong>Your constraints may not match the figure exactly.<\/div>\r\n

    Step 16<\/h2>\r\nEnter D for the GENERAL DIMENSION command. Move the cursor to bottom corner of the model. When a small point highlights, click the mouse. (Figure Step 16)\r\n\r\n[caption id=\"attachment_668\" align=\"aligncenter\" width=\"352\"]\"\" Figure Step 16[\/caption]\r\n

    Step 17<\/h2>\r\nFor the second point of the dimension, click the end of the line as shown in the figure. Locate and set the dimension to 25. (Figure Step 17A and 17B)\r\n\r\n[caption id=\"attachment_669\" align=\"aligncenter\" width=\"357\"]\"\" Figure Step 17A[\/caption]\r\n\r\n[caption id=\"attachment_670\" align=\"aligncenter\" width=\"445\"]\"\" Figure Step 17B[\/caption]\r\n

    Step 18<\/h2>\r\nAdd two additional dimensions to fully constrain it. (Figure Step 18A, 18B, and 18C)\r\n\r\n[caption id=\"attachment_671\" align=\"aligncenter\" width=\"399\"]\"\" Figure Step 18A[\/caption]\r\n\r\n[caption id=\"attachment_672\" align=\"aligncenter\" width=\"372\"]\"\" Figure Step 18B[\/caption]\r\n\r\n[caption id=\"attachment_673\" align=\"aligncenter\" width=\"279\"]\"\" Figure Step 18C[\/caption]\r\n

    Step 19<\/h2>\r\nEnter E for the EXTRUDE command. (Figure Step 19)\r\n\r\n[caption id=\"attachment_674\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Figure Step 19 [Click to see image full size][\/caption]\r\n

    Step 20<\/h2>\r\nSet the Extents to To, the type to Cut and select the back face to locate where to extrude to. (Figure Step 20)\r\n\r\n[caption id=\"attachment_675\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Figure Step 20 [Click to see image full size][\/caption]\r\n

    Step 21<\/h2>\r\nYour model should appear as shown in the figure. (Figure Step 21)\r\n\r\n[caption id=\"attachment_676\" align=\"aligncenter\" width=\"272\"]\"\" Figure Step 21[\/caption]\r\n

    Step 22<\/h2>\r\nClick the 2D Sketch icon and select the top plane to start a new sketch. Orbit the model to match the figure. (Figure Step 22)\r\n\r\n[caption id=\"attachment_677\" align=\"aligncenter\" width=\"462\"]\"\" Figure Step 22[\/caption]\r\n

    Step 23<\/h2>\r\nOn the sketch, draw a line across the corner. Make sure that you snap both ends of the line to the edges. Guess at the distance from the corner. (Figure Step 23)\r\n\r\n[caption id=\"attachment_678\" align=\"aligncenter\" width=\"512\"]\"\" Figure Step 23[\/caption]\r\n

    Step 24<\/h2>\r\nDraw a line on the opposite side and dimension both lines using four point to point dimensions. (Figure Step 24)\r\n\r\n[caption id=\"attachment_679\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Figure Step 24 [Click to see image full size][\/caption]\r\n

    Step 25<\/h2>\r\nYour sketch should be fully constrained as shown in the figure. (Figure Step 25)\r\n\r\n[caption id=\"attachment_680\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Figure Step 25 [Click to see image full size][\/caption]\r\n

    Step 26<\/h2>\r\nPress F8 to display the constraint icons. (Figure Step 26)\r\n\r\n[caption id=\"attachment_681\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Figure Step 26 [Click to see image full size][\/caption]\r\n
    AUTHOR'S COMMENTS: <\/strong>Your constraints may not match the figure exactly.\r\n<\/strong><\/div>\r\n

    Step 27<\/h2>\r\nExtrude the sketch using the To Next extents. Select the two profiles to extrude and ensure that you enable the Cut icon. (Figure Step 27)\r\n\r\n[caption id=\"attachment_682\" align=\"aligncenter\" width=\"500\"]\"\" Figure Step 27 [Click to see image full size][\/caption]\r\n
    USER TIP:<\/strong> Drawing lines on the plane of a 3D model works a little different then drawing lines on a 2D sketch before the model is extruded. In most cases, Inventor will only allow you to draw one line segment at time when you are drawing a line on the 3D model. Watch the prompts in the Status bar and you will know when you have to reenter the start point again or you can draw the next segment continuous.<\/div>\r\n

    Step 28<\/h2>\r\nChange to the Home view by pressing F6. Change the colour of the completed model to color: Light Steel Blue<\/span>. (Figure Step 28)\r\n\r\n[caption id=\"attachment_683\" align=\"aligncenter\" width=\"232\"]\"\" Figure Step 28[\/caption]\r\n

    Step 29<\/h2>\r\nExpand the Browser bar. You can see that the model hierarchy shows the three sketches and an extrusion of each one. (Figure Step 29)\r\n\r\n[caption id=\"attachment_685\" align=\"aligncenter\" width=\"192\"]\"\" Figure Step 29[\/caption]\r\n

    Step 30<\/h2>\r\nSave and close the file.\r\n

    Key Principles<\/h1>\r\n
    \r\n

    Key Principles in Module 7<\/p>\r\n\r\n<\/header>\r\n

    \r\n
      \r\n \t
    1. A point to point linear dimension is a dimension measuring the delta X or the delta Y distance between two points of an existing object or objects.<\/li>\r\n \t
    2. The 2D SKETCH command is used to create a 2D sketch on a sketching plane or onto an existing 3D solid model.Lab Exercise 7.1<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n

      Lab Exercise 7-1<\/h1>\r\nTime allowed: 45 minutes.\r\n\r\n\r\n\r\n\r\n
      Part Name<\/strong><\/td>\r\nProject<\/strong><\/td>\r\nUnits<\/strong><\/td>\r\nTemplate<\/strong><\/td>\r\nColor<\/strong><\/td>\r\nMaterial<\/strong><\/td>\r\n<\/tr>\r\n
      Inventor Lab 07-1<\/td>\r\nInventor Course<\/td>\r\nMillimeters<\/td>\r\nMetric-Modules Part (mm).ipt<\/td>\r\nSteel<\/td>\r\nN\/A<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

      Step 1<\/h2>\r\nProject the Center Point onto the sketching plane.\r\n

      Step 2<\/h2>\r\nNote the location of X0Y0Z0. Draw the necessary sketches and extrude them to produced the solid model. Apply all of the necessary geometrical and dimensional constraints to fully constrain all sketches. (Figure Step 2A and 2B)\r\n\r\n[caption id=\"attachment_689\" align=\"aligncenter\" width=\"400\"]\"\" Figure Step 2A
      3D Model[\/caption]\r\n\r\n[caption id=\"attachment_690\" align=\"aligncenter\" width=\"500\"]\"\" Figure Step 2B
      Suggested Base Sketch[\/caption]\r\n

      Step 3<\/h2>\r\nApply the colour shown above. (Figure Step 3)\r\n\r\n[caption id=\"attachment_691\" align=\"aligncenter\" width=\"300\"]\"\" Figure Step 3
      Completed Solid Model - Home View[\/caption]\r\n\r\n
      \r\n\r\nAUTHOR'S GEOMETRIC CONSTRAINS:<\/strong> The following three figures shows the base and additional sketch's construction method plus geometric and dimensional constraints suggested by the author to help you learn how to construct and constrain sketches. It is only the suggested method and if you can complete a fully constrained sketches using different construction methods and constraints, that is what is important. You may want to compare your construction method and constraints used with the authors.\r\n\r\n[caption id=\"attachment_692\" align=\"aligncenter\" width=\"560\"]\"\" Author's Base Sketch[\/caption]\r\n\r\n[caption id=\"attachment_694\" align=\"aligncenter\" width=\"568\"]\"\" Author's Sketch[\/caption]\r\n\r\n[caption id=\"attachment_693\" align=\"aligncenter\" width=\"592\"]\"\" Author's Sketch[\/caption]\r\n\r\n<\/div>\r\n

      Lab Exercise 7-2<\/h1>\r\nTime allowed: 45 minutes.\r\n\r\n\r\n\r\n\r\n
      Part Name<\/strong><\/td>\r\nProject<\/strong><\/td>\r\nUnits<\/strong><\/td>\r\nTemplate<\/strong><\/td>\r\nColor<\/strong><\/td>\r\nMaterial<\/strong><\/td>\r\n<\/tr>\r\n
      Inventor Lab 07-2<\/td>\r\nInventor Course<\/td>\r\nMillimeters<\/td>\r\nMetric-Modules Part (mm).ipt<\/td>\r\nChrome - Polished<\/td>\r\nN\/A<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

      Step 1<\/h2>\r\nProject the Center Point onto the base sketching plane.\r\n

      Step 2<\/h2>\r\nNote the location of X0Y0Z0. Draw the necessary sketches and extrude them to produced the solid model. Apply all of the necessary geometrical and dimensional constraints to fully constrain all sketches. (Figure Step 2A, 2B, and 2C)\r\n\r\n[caption id=\"attachment_695\" align=\"aligncenter\" width=\"400\"]\"\" Figure Step 2A
      3D Model - Home View[\/caption]\r\n\r\n[caption id=\"attachment_696\" align=\"aligncenter\" width=\"400\"]\"\" Figure Step 2B
      A Rotated View of the 3D Model[\/caption]\r\n\r\n[caption id=\"attachment_697\" align=\"aligncenter\" width=\"359\"]\"\" Figure Step 2C
      Suggested Base View[\/caption]\r\n

      Step 3<\/h2>\r\nApply the colour shown above. (Figure Step 3)\r\n\r\n[caption id=\"attachment_698\" align=\"aligncenter\" width=\"301\"]\"\" Figure Step 3
      Completed Solid Model - Home View[\/caption]\r\n

      Step 4<\/h2>\r\nSave the file with the name: Inventor Lab 07-2<\/span> as shown above.\r\n
      \r\n\r\nAUTHOR'S GEOMETRIC CONSTRAINTS:<\/strong> The following three figures shows the base and additional sketch's construction method plus geometric and dimensional constraints suggested by the author to help you learn how to construct and constrain sketches. It is only the suggested method and if you can complete a fully constrained sketches using different construction methods and constraints, that is what is important. You may want to compare your construction method and constraints used with the authors.\r\n\r\n<\/div>\r\n[caption id=\"attachment_699\" align=\"aligncenter\" width=\"500\"]\"\"<\/a> Author's Base Sketch [Click to see image full size][\/caption]\r\n\r\n[caption id=\"attachment_700\" align=\"aligncenter\" width=\"364\"]\"\" Author's Sketch[\/caption]\r\n\r\n[caption id=\"attachment_701\" align=\"aligncenter\" width=\"278\"]\"\" Author's Sketch[\/caption]","rendered":"
      \n
      \n

      Learning Outcomes<\/p>\n<\/header>\n

      \n

      When you have completed this module, you will be able to:<\/p>\n

        \n
      1. Describe how to construct a solid model using multiple sketches, linear dimensions, plus joining and cutting extrusions.<\/li>\n
      2. Describe and apply the 2DSKETCH command to create 2D sketches on a solid model. Extrude the sketches to either join them to or cut them from the solid model.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

        Point to Point Linear Dimensions<\/h1>\n

        A point to point linear <\/em><\/span>dimension is a dimension measuring the delta X or the delta Y distance between two points of an existing object or objects. The points, which are normally the endpoints of a line, could also be centre points of circles or arcs as you will see in future modules. If the points both lie on the same X or Y axis, the dimension can only inserted in one direction. If the points do not lie on the same axis, you have the choice of inserting either the delta X or the delta Y dimension. See Figure 7-1. The three steps used to insert a point to point linear dimension are shown below.<\/p>\n

        \"\"
        Figure 7-1
        Linear Dimensions Applied To an Inclined Line<\/figcaption><\/figure>\n
        \"\"
        Step 1<\/figcaption><\/figure>\n
        \"\"
        Step 2<\/figcaption><\/figure>\n
        \"\"
        Step 3<\/figcaption><\/figure>\n
        \n
        \n

        Inventor Command: 2D SKETCH<\/p>\n<\/header>\n

        \n

        The 2D SKETCH command is used to create a 2D sketch on a sketching plane or onto an existing 3D solid model.<\/p>\n

        Shortcut: S<\/strong><\/p>\n

        \"\"<\/p>\n<\/div>\n<\/div>\n

        WORK ALONG: Constructing a Solid Model Using Multiple Sketches<\/h1>\n

        Step 1<\/h2>\n

        Check the default project and if necessary, set it to Inventor Course.<\/p>\n

        Step 2<\/h2>\n

        Enter the NEW command to start a new part file using the template: Metric-Modules Part (mm).ipt<\/span>.<\/p>\n

        Step 3<\/h2>\n

        Save the file with the name: Inventor Workalong 07-1<\/span>. (Figure Step 3A and 3B)<\/p>\n

        \"\"
        Figure Step 3A
        Solid Model – Home View<\/figcaption><\/figure>\n
        AUTHOR’S COMMENTS: <\/strong>Two views of the model that you will be constructing in this workalong are shown below. Note the location of X0Y0Z0.<\/div>\n
        \"\"
        Figure Step 3B
        Solid Model – Rotated View<\/figcaption><\/figure>\n

        Step 4<\/h2>\n

        Edit Sketch 1 and enter the PROJECT GEOMETRY command and project the Center Point onto the sketching plane. Press Esc to exit the command. (Figure Step 4)<\/p>\n

        \"\"
        Figure Step 4<\/figcaption><\/figure>\n

        Step 5<\/h2>\n

        Draw the Top view of the model starting at X0Y0Z0. This is the Base sketch. (Figure Step 5)<\/p>\n

        \"\"
        Figure Step 5<\/figcaption><\/figure>\n
        AUTHOR’S COMMENTS: <\/strong>Since the most contoured shape of the model is the Top view, this is the view the should be drawn first.
        \n<\/strong><\/div>\n

        Step 6<\/h2>\n

        Add 4 driving dimensions to fully constrain the sketch. Add 2 driven dimensions.<\/p>\n

        Step 7<\/h2>\n

        Press F8 to display the constraints. (Figure Step 7)<\/p>\n

        \"\"
        Figure Step 7<\/figcaption><\/figure>\n

        Step 8<\/h2>\n

        The sketch should now be fully constrained and all the lines display purple on a black background. (Figure Step 8)<\/p>\n

        \"\"
        Figure Step 8<\/figcaption><\/figure>\n

        Step 9<\/h2>\n

        Press F6 to change the view to the Home view. Click the FINISH SKETCH command to return to Model mode. (Figure Step 9)<\/p>\n

        \"\"
        Figure Step 9<\/figcaption><\/figure>\n

        Step 10<\/h2>\n

        Enter E to execute the EXTRUDE command and extrude the model 100 mm in the positive Z direction. (Figure Step 10)<\/p>\n

        \"\"<\/a>
        Figure Step 10 [Click to see image full size]<\/figcaption><\/figure>\n

        Step 11<\/h2>\n

        The solid model should appear as shown in the figure. (Figure Step 11)<\/p>\n

        \"\"
        Figure Step 11<\/figcaption><\/figure>\n

        Step 12<\/h2>\n

        Click the 2D SKETCH icon and when prompted, select the right side plane as shown in the figure. Exit the command and the grid will display on the plane in Sketch mode. Press F6 to change to the Home view. (Figure Step 12A, 12B, and 12C)<\/p>\n

        \"\"
        Figure Step 12A<\/figcaption><\/figure>\n
        \"\"
        Figure Step 12B<\/figcaption><\/figure>\n
        \"\"
        Figure Step 12C<\/figcaption><\/figure>\n

        Step 13<\/h2>\n

        Enter L for the LINE command and start the first endpoint of the line by snapping onto the plane edge line. (Figure Step 13)<\/p>\n

        \"\"
        Figure Step 13<\/figcaption><\/figure>\n
        AUTHOR’S COMMENTS: <\/strong>The exact location on the line is not important. Guess at a location about 25 millimeters from the top. It MUST, however, be snapped onto the edge.
        \n<\/strong><\/div>\n

        Step 14<\/h2>\n

        Draw three lines, applying perpendicular geometrical constraints and snapping back onto the edge. Guess at the length of the lines making them approximately the correct length. (Figure Step 14)<\/p>\n

        \"\"
        Figure Step 14<\/figcaption><\/figure>\n

        Step 15<\/h2>\n

        Press F8 to display the constraint icons. (Figure Step 15)<\/p>\n

        \"\"
        Figure Step 15<\/figcaption><\/figure>\n
        AUTHOR’S COMMENTS:<\/strong>Your constraints may not match the figure exactly.<\/div>\n

        Step 16<\/h2>\n

        Enter D for the GENERAL DIMENSION command. Move the cursor to bottom corner of the model. When a small point highlights, click the mouse. (Figure Step 16)<\/p>\n

        \"\"
        Figure Step 16<\/figcaption><\/figure>\n

        Step 17<\/h2>\n

        For the second point of the dimension, click the end of the line as shown in the figure. Locate and set the dimension to 25. (Figure Step 17A and 17B)<\/p>\n

        \"\"
        Figure Step 17A<\/figcaption><\/figure>\n
        \"\"
        Figure Step 17B<\/figcaption><\/figure>\n

        Step 18<\/h2>\n

        Add two additional dimensions to fully constrain it. (Figure Step 18A, 18B, and 18C)<\/p>\n

        \"\"
        Figure Step 18A<\/figcaption><\/figure>\n
        \"\"
        Figure Step 18B<\/figcaption><\/figure>\n
        \"\"
        Figure Step 18C<\/figcaption><\/figure>\n

        Step 19<\/h2>\n

        Enter E for the EXTRUDE command. (Figure Step 19)<\/p>\n

        \"\"<\/a>
        Figure Step 19 [Click to see image full size]<\/figcaption><\/figure>\n

        Step 20<\/h2>\n

        Set the Extents to To, the type to Cut and select the back face to locate where to extrude to. (Figure Step 20)<\/p>\n

        \"\"<\/a>
        Figure Step 20 [Click to see image full size]<\/figcaption><\/figure>\n

        Step 21<\/h2>\n

        Your model should appear as shown in the figure. (Figure Step 21)<\/p>\n

        \"\"
        Figure Step 21<\/figcaption><\/figure>\n

        Step 22<\/h2>\n

        Click the 2D Sketch icon and select the top plane to start a new sketch. Orbit the model to match the figure. (Figure Step 22)<\/p>\n

        \"\"
        Figure Step 22<\/figcaption><\/figure>\n

        Step 23<\/h2>\n

        On the sketch, draw a line across the corner. Make sure that you snap both ends of the line to the edges. Guess at the distance from the corner. (Figure Step 23)<\/p>\n

        \"\"
        Figure Step 23<\/figcaption><\/figure>\n

        Step 24<\/h2>\n

        Draw a line on the opposite side and dimension both lines using four point to point dimensions. (Figure Step 24)<\/p>\n

        \"\"<\/a>
        Figure Step 24 [Click to see image full size]<\/figcaption><\/figure>\n

        Step 25<\/h2>\n

        Your sketch should be fully constrained as shown in the figure. (Figure Step 25)<\/p>\n

        \"\"<\/a>
        Figure Step 25 [Click to see image full size]<\/figcaption><\/figure>\n

        Step 26<\/h2>\n

        Press F8 to display the constraint icons. (Figure Step 26)<\/p>\n

        \"\"<\/a>
        Figure Step 26 [Click to see image full size]<\/figcaption><\/figure>\n
        AUTHOR’S COMMENTS: <\/strong>Your constraints may not match the figure exactly.
        \n<\/strong><\/div>\n

        Step 27<\/h2>\n

        Extrude the sketch using the To Next extents. Select the two profiles to extrude and ensure that you enable the Cut icon. (Figure Step 27)<\/p>\n

        \"\"
        Figure Step 27 [Click to see image full size]<\/figcaption><\/figure>\n
        USER TIP:<\/strong> Drawing lines on the plane of a 3D model works a little different then drawing lines on a 2D sketch before the model is extruded. In most cases, Inventor will only allow you to draw one line segment at time when you are drawing a line on the 3D model. Watch the prompts in the Status bar and you will know when you have to reenter the start point again or you can draw the next segment continuous.<\/div>\n

        Step 28<\/h2>\n

        Change to the Home view by pressing F6. Change the colour of the completed model to color: Light Steel Blue<\/span>. (Figure Step 28)<\/p>\n

        \"\"
        Figure Step 28<\/figcaption><\/figure>\n

        Step 29<\/h2>\n

        Expand the Browser bar. You can see that the model hierarchy shows the three sketches and an extrusion of each one. (Figure Step 29)<\/p>\n

        \"\"
        Figure Step 29<\/figcaption><\/figure>\n

        Step 30<\/h2>\n

        Save and close the file.<\/p>\n

        Key Principles<\/h1>\n
        \n
        \n

        Key Principles in Module 7<\/p>\n<\/header>\n

        \n
          \n
        1. A point to point linear dimension is a dimension measuring the delta X or the delta Y distance between two points of an existing object or objects.<\/li>\n
        2. The 2D SKETCH command is used to create a 2D sketch on a sketching plane or onto an existing 3D solid model.Lab Exercise 7.1<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

          Lab Exercise 7-1<\/h1>\n

          Time allowed: 45 minutes.<\/p>\n\n\n\n\n
          Part Name<\/strong><\/td>\nProject<\/strong><\/td>\nUnits<\/strong><\/td>\nTemplate<\/strong><\/td>\nColor<\/strong><\/td>\nMaterial<\/strong><\/td>\n<\/tr>\n
          Inventor Lab 07-1<\/td>\nInventor Course<\/td>\nMillimeters<\/td>\nMetric-Modules Part (mm).ipt<\/td>\nSteel<\/td>\nN\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Step 1<\/h2>\n

          Project the Center Point onto the sketching plane.<\/p>\n

          Step 2<\/h2>\n

          Note the location of X0Y0Z0. Draw the necessary sketches and extrude them to produced the solid model. Apply all of the necessary geometrical and dimensional constraints to fully constrain all sketches. (Figure Step 2A and 2B)<\/p>\n

          \"\"
          Figure Step 2A
          3D Model<\/figcaption><\/figure>\n
          \"\"
          Figure Step 2B
          Suggested Base Sketch<\/figcaption><\/figure>\n

          Step 3<\/h2>\n

          Apply the colour shown above. (Figure Step 3)<\/p>\n

          \"\"
          Figure Step 3
          Completed Solid Model – Home View<\/figcaption><\/figure>\n
          \n

          AUTHOR’S GEOMETRIC CONSTRAINS:<\/strong> The following three figures shows the base and additional sketch’s construction method plus geometric and dimensional constraints suggested by the author to help you learn how to construct and constrain sketches. It is only the suggested method and if you can complete a fully constrained sketches using different construction methods and constraints, that is what is important. You may want to compare your construction method and constraints used with the authors.<\/p>\n

          \"\"
          Author’s Base Sketch<\/figcaption><\/figure>\n
          \"\"
          Author’s Sketch<\/figcaption><\/figure>\n
          \"\"
          Author’s Sketch<\/figcaption><\/figure>\n<\/div>\n

          Lab Exercise 7-2<\/h1>\n

          Time allowed: 45 minutes.<\/p>\n\n\n\n\n
          Part Name<\/strong><\/td>\nProject<\/strong><\/td>\nUnits<\/strong><\/td>\nTemplate<\/strong><\/td>\nColor<\/strong><\/td>\nMaterial<\/strong><\/td>\n<\/tr>\n
          Inventor Lab 07-2<\/td>\nInventor Course<\/td>\nMillimeters<\/td>\nMetric-Modules Part (mm).ipt<\/td>\nChrome – Polished<\/td>\nN\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Step 1<\/h2>\n

          Project the Center Point onto the base sketching plane.<\/p>\n

          Step 2<\/h2>\n

          Note the location of X0Y0Z0. Draw the necessary sketches and extrude them to produced the solid model. Apply all of the necessary geometrical and dimensional constraints to fully constrain all sketches. (Figure Step 2A, 2B, and 2C)<\/p>\n

          \"\"
          Figure Step 2A
          3D Model – Home View<\/figcaption><\/figure>\n
          \"\"
          Figure Step 2B
          A Rotated View of the 3D Model<\/figcaption><\/figure>\n
          \"\"
          Figure Step 2C
          Suggested Base View<\/figcaption><\/figure>\n

          Step 3<\/h2>\n

          Apply the colour shown above. (Figure Step 3)<\/p>\n

          \"\"
          Figure Step 3
          Completed Solid Model – Home View<\/figcaption><\/figure>\n

          Step 4<\/h2>\n

          Save the file with the name: Inventor Lab 07-2<\/span> as shown above.<\/p>\n

          \n

          AUTHOR’S GEOMETRIC CONSTRAINTS:<\/strong> The following three figures shows the base and additional sketch’s construction method plus geometric and dimensional constraints suggested by the author to help you learn how to construct and constrain sketches. It is only the suggested method and if you can complete a fully constrained sketches using different construction methods and constraints, that is what is important. You may want to compare your construction method and constraints used with the authors.<\/p>\n<\/div>\n

          \"\"<\/a>
          Author’s Base Sketch [Click to see image full size]<\/figcaption><\/figure>\n
          \"\"
          Author’s Sketch<\/figcaption><\/figure>\n
          \"\"
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